Roberts; Michael Lee
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roberts; Michael Lee.The latest application filed is for "leak monitoring system".
- Roberts; Michael Lee - Port Perry Ontario CA
- ROBERTS, MICHAEL LEE - PORT PERRY CA
- Roberts; Michael Lee - Denton TX
| Patent | Date |
|---|---|
| Leak monitoring system Grant 6,370,945 - Roberts April 16, 2 | 2002-04-16 |
| Leak Monitoring System App 20010018845 - ROBERTS, MICHAEL LEE | 2001-09-06 |
| Precast concrete bridge structure and associated rapid assembly methods Grant 5,771,518 - Roberts June 30, 1 | 1998-06-30 |
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